COVID-19: A Look at Cross Species Transmission Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email This scanning electron microscope image shows SARS-CoV-2 (yellow)—also known as 2019-nCoV, the virus that causes COVID-19—isolated from a patient in the U.S., emerging from the surface of cells. ( NIAID-RML ) Produced by Jacklyn Martin Hosted by Duarte Geraldino Produced by GBH, PRX and WNYC Studios